CVE-2018-18751 — Double Free in Gettext

CWE-415 — Double FreeCWE-416 — Use After Free12 documents8 sources
Severity
9.8CRITICALNVD
EPSS
0.6%
top 30.91%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
3
GNU GettextCanonical Ubuntu LinuxRedhat Enterprise Linux
Timeline
PublishedOct 29
Latest updateMay 13

Description

An issue was discovered in GNU gettext 0.19.8. There is a double free in default_add_message in read-catalog.c, related to an invalid free in po_gram_parse in po-gram-gen.y, as demonstrated by lt-msgfmt.

CVSS vector

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:HExploitability: 3.9 | Impact: 5.9

Affected Packages2 packages

▶Debiangnu/gettext< 0.19.8.1-9+3
▶NVDgnu/gettext0.19.8

Also affects: Ubuntu Linux 12.04, 14.04, 16.04, 18.04, 18.10, Enterprise Linux 7.0

🔴Vulnerability Details

3
GHSA
GHSA-3vvp-8645-4qmr: An issue was discovered in GNU gettext 0↗2022-05-13
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OSV
CVE-2018-18751: An issue was discovered in GNU gettext 0↗2018-10-29
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CVEList
CVE-2018-18751: An issue was discovered in GNU gettext 0↗2018-10-28
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📋Vendor Advisories

4
Ubuntu
gettext vulnerability↗2018-11-12
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Ubuntu
gettext vulnerability↗2018-11-12
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Red Hat
gettext: double free in default_add_message in read-catalog.c↗2018-10-28
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Debian
CVE-2018-18751: gettext - An issue was discovered in GNU gettext 0.19.8. There is a double free in default...↗2018
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💬Community

4
Bugzilla
CVE-2018-18751 mingw-gettext: gettext: double free in default_add_message in read-catalog.c [epel-7]↗2018-11-06
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Bugzilla
CVE-2018-18751 mingw-gettext: gettext: double free in default_add_message in read-catalog.c [fedora-all]↗2018-11-06
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Bugzilla
CVE-2018-18751 gettext: double free in default_add_message in read-catalog.c↗2018-11-06
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Bugzilla
CVE-2018-18751 gettext: double free in default_add_message in read-catalog.c [fedora-all]↗2018-11-06
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CVE-2018-18751 — Double Free in GNU Gettext | cvebase